now a group of registered offenders is suing to reverse their town's laws. our affiliate from l.a. explains why they believe they violate their constitutional rights. >> when you mention hollywood and second offenders in simi valley everyone knows what you're talking about. one of several communities to adopt restrictions on sex offenders banning them from setting up outdoor decoration and lighting on halloween. some offenders are also required to place a sign on their front doors telling them visitors no candy or treats will be offered at that time home. public safety measure or violation of civil rights. the measure is being challenged in simi valley. five registered second offenders and their families contends in a lawsuit the halloween restriction violates freedom of speech. so what do you think? >> i think it's a positive thing, really. i hate to see it have to happen. but that's the way people are today. >> hard call. i don't think it's necessary to put a sign. i do think it probably would be best not to have a light and a pumpkin open up come here. >> i think they should be